479536668 has 144 divisors (see below), whose sum is σ = 1386112000. Its totient is φ = 138568320.

The previous prime is 479536661. The next prime is 479536691. The reversal of 479536668 is 866635974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479536661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1769373 + ... + 1769643.

Almost surely, 2^479536668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 479536668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693056000).

479536668 is an abundant number, since it is smaller than the sum of its proper divisors (906575332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

479536668 is a wasteful number, since it uses less digits than its factorization.

479536668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 507 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 479536668 is about 21898.3256894220. The cubic root of 479536668 is about 782.7215188728.

The spelling of 479536668 in words is "four hundred seventy-nine million, five hundred thirty-six thousand, six hundred sixty-eight".